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alyssababy7 Group Title

Find the exact value of the expression. Do not use a calculator. If tan θ = 9, find the exact value of cot (pi/2 - θ)

  • 2 years ago
  • 2 years ago

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  1. alyssababy7 Group Title
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    A. 8 B. 10 C. 1/9 D. 9

    • 2 years ago
  2. satellite73 Group Title
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    don't be fooled, it is the cofunction identity \[\cot(\frac{\pi}{2}-\theta)=\tan(\theta)\]

    • 2 years ago
  3. satellite73 Group Title
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    therefore if \(\tan(\theta)=9\) you know \(\cot(\frac{\pi}{2}-\theta)=9\) also

    • 2 years ago
  4. alyssababy7 Group Title
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    thank you

    • 2 years ago
  5. amruta1997 Group Title
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    its d) 9

    • 2 years ago
  6. amruta1997 Group Title
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    yes

    • 2 years ago
  7. amruta1997 Group Title
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    too simple

    • 2 years ago
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